Question

Which among the following are physical or chemical
changes?
(a) Evaporation of petrol
(6) Burning of Liquefied Petroleum Gas (LPG)
(c) Heating of an iron rod to red hot.
(d) Curdling of milk
le) Sublimation of solid ammonium chloride​

Answer 1

Answer:

physical changes are:

a)evaporation of petrol

c) heating of an iron rod to red hot

e) sublimation of solid ammonium chloride

chemical changes are:

b)burning of LPG

d) curdling of milk